Material: Upgrade the disc with high quality materials to increase the page capacity of the disc notebook. Application: These multi-colored jump rings are great for organizing paper, documents, notebook pages, painting, organizing and making the appearance clearer. Packing: We provide 80 plastic discs to suit your needs at work, school or in . Practical: These plastic jump rings can be flexibly, easily and conveniently arranged to enlarge or reduce the pages of the notebook without damaging the paper. This is very useful to most of the people. This binding ring allows you to combine paper as needed, flip the inside and enlarge or shrink it as needed. Widespread: These circular discs allow you to classify and manage different records, different colors of different types of files, or add business card cases, photo bags, briefcases, etc. as needed. Color: Color Material: Plastic Size: 24mm Package content: 1 set x discs Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.